To intentionally post a status message on a social network (facebook or myspace) that contains an inside joke, quote, song lyric, etc. that you know a certain person you are interested in is aware of/likes. This supposedly causes said person to become more interested in you.
Stalker: I see that Susie is on! I know she likes the Beatles, so I'll just bait and tackle her with lyrics from Twist and Shout. That'll make her like me a whole lot more!